Hardened. This hardening of their hearts, was their having no thought of yielding or submitting: which was a sentence or judgment of God upon them, in punishment of their enormous crimes. (Challoner) --- God might indeed by his all-powerful grace have changed their hearts, but their crimes caused him to withhold that grace; and thus they were suffered to shut their eyes to their true interest. (Calmet) --- They alone therefore were the cause of their own obduracy, which God only did not prevent, Exodus vii. (Worthington)

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